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64 lines
3.0 KiB
64 lines
3.0 KiB
'\" t
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.\" Title: yasm_dbgfmts
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.\" Author: Peter Johnson <peter@tortall.net>
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.\" Generator: DocBook XSL Stylesheets v1.75.2 <http://docbook.sf.net/>
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.\" Date: October 2006
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.\" Manual: Yasm Supported Debug Formats
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.\" Source: Yasm
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.\" Language: English
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.\"
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.TH "YASM_DBGFMTS" "7" "October 2006" "Yasm" "Yasm Supported Debug Formats"
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NAME"
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yasm_dbgfmts \- Yasm Supported Debugging Formats
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.SH "SYNOPSIS"
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.HP \w'\fByasm\fR\ 'u
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\fByasm\fR \fB\-g\ \fR\fB\fIdbgfmt\fR\fR \fB\fI\&.\&.\&.\fR\fR
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.SH "DESCRIPTION"
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.PP
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The standard Yasm distribution includes a number of modules for different debugging formats\&. The debugging information is embedded into the object file\&. Use of a non\-\(lqnull\(rq
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debug format also causes Yasm to output all symbols to the object file (including local symbols)\&.
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.PP
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The debug format is selected on the
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\fByasm\fR(1)
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command line by use of the
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\fB\-g \fR\fB\fIdbgfmt\fR\fR
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command line option\&.
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.SH "CV8"
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.PP
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The CV8 debug format is used by Microsoft Visual Studio 2005 (version 8\&.0) and is completely undocumented, although it bears strong similarities to earlier CodeView formats\&. Yasm\'s support for the CV8 debug format is currently limited to generating assembly\-level line number information (to allow some level of source\-level debugging)\&. The CV8 debug information is stored in the \&.debug$S and \&.debug$T sections of the Win64 object file\&.
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.SH "DWARF2"
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.PP
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The DWARF 2 debug format is a complex, well\-documented standard for debugging information\&. It was created to overcome shortcomings in STABS, allowing for much more detailed and compact descriptions of data structures, data variable movement, and complex language structures such as in C++\&. The debugging information is stored in sections (just like normal program sections) in the object file\&. Yasm supports full pass\-through of DWARF2 debugging information (e\&.g\&. from a C++ compiler), and can also generate assembly\-level line number information\&.
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.SH "NULL"
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.PP
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The
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\(lqnull\(rq
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debug format is a placeholder; it adds no debugging information to the output file\&.
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.SH "STABS"
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.PP
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The STABS debug format is a poorly documented, semi\-standard format for debugging information in COFF and ELF object files\&. The debugging information is stored as part of the object file\'s symbol table and thus is limited in complexity and scope\&. Despite this, STABS is a common debugging format on older Unix and compatible systems, as well as DJGPP\&.
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.SH "SEE ALSO"
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.PP
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\fByasm\fR(1),
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\fByasm_objfmts\fR(7)
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.SH "AUTHOR"
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.PP
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\fBPeter Johnson\fR <\&peter@tortall\&.net\&>
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.RS 4
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Author.
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.RE
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.SH "COPYRIGHT"
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.br
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Copyright \(co 2006 Peter Johnson
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.br
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